<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表单标签</title>
</head>
<body>
    <form action="hello.html" method="get">
        用户名：<input type="text" name="username"><br/>
        密码：<input type="password" name="password"><br/>
        性别：<input type="radio" name="gender" id="male"><label for="male">男</label> 
              <input type="radio" name="gender" id="female"><label for="female">女</label><br/>
        兴趣爱好：<input type="checkbox" name="" id="basketball"><label for="basketball">篮球</label>
            <input type="checkbox" name="" id="football"><label for="football">足球</label>
            <input type="checkbox" name="" id="singing"><label for="singing">唱歌</label>
            <input type="checkbox" name="" id="dancing"><label for="singing">跳舞</label>
            <br/>
            <input type="file" name="" id=""><br/> 
            <select name="areaId">
                <option value="1">北京</option>
                <option value="2" selected>上海</option>
                <option value="3">广州</option>
                <option value="4">深圳</option>
            </select>
            <br/>
            个人简介：
            <textarea name="" rows="5" cols="30"></textarea>
            <br/>
        <input type="submit" value="提交">
        <!-- <input type="text" name="" id=""> -->
        <!-- 向后端发送请求时，参数的名称 -->   
    </form>
</body>
</html>